Three-wheel articulated trencher



FIG. 1 is a left side view of a three-wheel articulated trencher showing our new design;

FIG. 2 is an enlarged rear view thereof;

FIG. 3 is an enlarged front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front top left perspective view thereof; and,

FIG. 8 is front top right perspective view.

The broken line showing of the wheels and trench digging apparatus is included for the purpose of illustrating portions of the three-wheel articulated trencher and forms no part of the claimed design. 

The ornamental design for a three-wheel articulated trencher, as shown and described. 